Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Battery control method and device based on matrix rectifier

A technology of matrix rectifier and storage battery, which is applied in the direction of battery circuit devices, circuit devices, collectors, etc., and can solve problems such as grid-side power quality that endangers battery life, large harmonics and ripples on the grid side

Inactive Publication Date: 2017-09-29
GUANGDONG UNIV OF TECH
View PDF5 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditionally, uncontrolled rectification and phase-controlled rectifiers are used to rectify the AC power of the AC grid and then input it to the battery for charging, which is prone to generate large output voltage ripples, and the harmonics on the grid side are large, which seriously endangers the life of the battery and the power quality of the grid side.
At the same time, the traditional control strategy has poor disturbance suppression ability and unsatisfactory dynamic performance.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Battery control method and device based on matrix rectifier
  • Battery control method and device based on matrix rectifier
  • Battery control method and device based on matrix rectifier

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0070] The core of the present invention is to provide a storage battery control method and device based on a matrix rectifier. The storage battery is charged through the matrix rectifier and the sliding mode control method, which can reduce grid side harmonics, suppress voltage disturbance, compensate power factor, and have good dynamic control performance. .

[0071] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention comprises a battery control method and device based on a matrix rectifier. The output end of the matrix rectifier is connected with a battery. The method comprises the following steps of real-time detecting the voltage and current of the grid side and the charging voltage and the charging current of the battery through sensors, carrying out sliding mode control according to the voltage and current of the grid side and the charging voltage and the charging current, outputting pulse signals, and driving corresponding conduction of bi-directional switches in the matrix rectifier. A battery can be charged through the matrix rectifier and the sliding mode control, thereby reducing the power grid side harmonic, suppressing the voltage disturbance, compensating the power factor and improving the dynamic control performance.

Description

technical field [0001] The invention relates to the technical field of storage battery charging management, in particular to a storage battery control method and device based on a matrix rectifier. Background technique [0002] Lithium batteries are widely used in various commercial and industrial energy storage systems, among which the power converter plays a very important role as a key part of the lithium battery charging system. Traditionally, uncontrolled rectification and phase-controlled rectifiers are used to rectify the AC power of the AC grid and then input it to the battery for charging, which is prone to generate large output voltage ripples and large harmonics on the grid side, seriously endangering the life of the battery and the power quality of the grid side. At the same time, the traditional control strategy has poor disturbance suppression ability and unsatisfactory dynamic performance. [0003] Therefore, how to provide a battery control method and device...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H02J7/02H02J7/10H02J7/04
CPCH02J7/022H02J7/045H02J7/06H02J2007/10H02J2207/20
Inventor 胡望胡战虎王志平茅云寿鲁遥遥
Owner GUANGDONG UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com